I'm using the same driver, but I'm using MythTV from
ATrpms, as well as the ivtv driver from ATrpms
(0.3.3k).  I have the same model of PVR-500 as you do,
and a PVR-250 both working with this driver, but a
different kernel.

The kernel is 2.6.10-1.770_14.rhfc3.at 686 REGPARM
gcc-3.4.

I think that tuner type 57 is fairly new, and you
might need to patch the kernel for support.  I know
that with the ATrpms setup, there's a new module
called "tuner-ivtv" that I had to use in my
modprobe.conf, instead of "tuner".

Additionally, I don't specify the tuner types in
modprobe.conf (as they should auto-detect now), nor do
I specify the i2c_enable lines.  I also see the i2c
message you mention about "tuner unset".  Here's the
relevant portion of my modprobe.conf:
alias char-major-81 videodev
alias char-major-81-0 ivtv
alias char-major-81-1 ivtv
alias char-major-81-2 ivtv
options cx25840 no_black_magic=1
alias tveeprom tveeprom-ivtv
alias msp3400 msp3400-ivtv
alias tuner tuner-ivtv

I don't know if this helps, but I can say that it does
work for me.

(Tuner 0 is the PVR-250, 1 and 2 are the 500.)

-- Joe

--- Mike Benoit <[EMAIL PROTECTED]> wrote:

> Hi there,
> 
>       I've been searching the mailing list high and low,
> and although it
> seems several other people have the same problem as
> I do, I didn't
> manage to find a definitive fix. 
> 
> I followed the QuickSetup guide, and after the
> modules were loaded I
> ran:
> 
> [EMAIL PROTECTED] utils]# ./ptune.pl -f ntsc-cable
> --input /dev/video0 -c 4
> Ch.4: 67250 1076
> [EMAIL PROTECTED] utils]# mplayer /dev/video0
> 
> All I see is a pulsing static (static... black...
> static... black) on
> the screen, no recognizable image at all. However if
> I unplug the cable
> TV line from the card, the static stays on
> constantly. As soon as I plug
> it back in, the the pulsing starts again.
> 
> Everything in the kernel log seems in place, except
> for this line:
> 
> May  3 19:47:37 mythtv kernel: ivtv: i2c attach
> [client=(tuner
> unset),ok]
> 
> However, shortly after that line, it says it is
> setting the turner to
> 57. So I assume this is fine?
> 
> Any ideas what I need to do to fix this issue? Is it
> maybe just a
> frequency issue? My old "regular" tuners that I'm
> trying to replace
> worked fine.
> 
> Thanks.
> 
> 
> Modules.conf:
> --------------------------------------------------
> alias char-major-81 videodev
> alias char-major-81-0 ivtv
> alias char-major-81-1 ivtv
> 
> alias tuner tuner-ivtv
> 
> options saa7127 i2c_enable=-1,-1,-1,-1
> options cx25840 i2c_enable=1,1,1,1 no_black_magic=1
> options wm8775 mixer=2
> options ivtv ivtv_debug=1 tuner=57,57,57,57
> 
> 
> May  3 19:47:31 mythtv kernel: Linux video capture
> interface: v1.00
> May  3 19:47:31 mythtv kernel: ivtv:
> ==================== START INIT IVTV
> ====================
> May  3 19:47:31 mythtv kernel: ivtv: version 0.3.3
> (k) loading
> May  3 19:47:31 mythtv kernel: ivtv: Linux version:
> 2.6.11.8 K7 gcc-3.4
> May  3 19:47:31 mythtv kernel: ivtv: In case of
> problems please include the debug info
> May  3 19:47:31 mythtv kernel: ivtv: between the
> START INIT IVTV and END INIT IVTV lines when
> May  3 19:47:31 mythtv kernel: ivtv: mailing the
> ivtv-devel mailinglist.
> May  3 19:47:31 mythtv kernel: ivtv: Autodetected
> WinTV PVR 150 card
> May  3 19:47:31 mythtv kernel: ivtv: Found an iTVC16
> based chip
> May  3 19:47:31 mythtv kernel: ivtv: Unreasonably
> low latency timer, setting to 64 (was 32)
> May  3 19:47:31 mythtv kernel: ivtv: VIA PCI device:
> 0x3189 vendor: 0x1106
> May  3 19:47:31 mythtv kernel: tveeprom: Hauppauge:
> model = 23552, rev = D492, serial# = 7893422
> May  3 19:47:31 mythtv kernel: tveeprom: tuner =
> Philips FQ1236A MK4 (idx = 92, type = 57)
> May  3 19:47:31 mythtv kernel: tveeprom: tuner fmt =
> NTSC(M) (eeprom = 0x08, v4l2 = 0x00001000)
> May  3 19:47:31 mythtv kernel: tveeprom:
> audio_processor = MSP3410D (type = 5)
> May  3 19:47:31 mythtv kernel: ivtv: i2c attach
> [client=tveeprom[50],ok]
> May  3 19:47:31 mythtv kernel: ivtv: Tuner Type 57,
> Tuner formats 0x00001000, Radio: yes, Model
> 0x00914652, Revision 0x00000000
> May  3 19:47:31 mythtv kernel: ivtv: NTSC tuner
> detected
> May  3 19:47:31 mythtv kernel: ivtv: Radio detected
> May  3 19:47:31 mythtv kernel: tuner: Ignoring
> new-style parameters in presence of obsolete ones
> May  3 19:47:31 mythtv kernel: tuner: chip found at
> addr 0xc2 i2c-bus ivtv i2c driver #0
> May  3 19:47:31 mythtv kernel: ivtv: i2c attach
> [client=(tuner unset),ok]
> May  3 19:47:36 mythtv kernel: cx25840: FW image
> '/lib/modules/HcwMakoA.ROM' of size 14264 loaded.
> May  3 19:47:36 mythtv kernel: cx25840: FW image md5
> digest: 3a4803384f749d644ee1f1ca9dcb12fa
> May  3 19:47:36 mythtv kernel: cx25840: FW image
> sha1 digest:
> 2b5e6292b7391c980b93d156cf6b34178ce770f6
> May  3 19:47:36 mythtv kernel: ivtv: i2c attach
> [client=cx25840[50],ok]
> May  3 19:47:36 mythtv kernel: ivtv: i2c attach
> [client=wm8775[50],ok]
> May  3 19:47:37 mythtv kernel: ivtv: Encoder
> revision: 0x02040011
> May  3 19:47:37 mythtv kernel: ivtv: Configuring
> WinTV PVR 150 card with 5 streams
> May  3 19:47:37 mythtv kernel: ivtv: Registered v4l2
> device, streamtype 0 minor 0
> May  3 19:47:37 mythtv kernel: ivtv: Create DMA
> stream 0 using 1024 16384 byte buffers  0 kbytes
> total
> May  3 19:47:37 mythtv kernel: ivtv: Allocate DMA
> stream 0 using 1024 16384 byte buffers  16777216
> kbytes total
> May  3 19:47:37 mythtv kernel: ivtv: Registered v4l2
> device, streamtype 1 minor 32
> May  3 19:47:37 mythtv kernel: ivtv: Create DMA
> stream 1
> May  3 19:47:37 mythtv kernel: ivtv: Allocate DMA
> stream 1
> May  3 19:47:37 mythtv kernel: ivtv: Registered v4l2
> device, streamtype 2 minor 224
> May  3 19:47:37 mythtv kernel: ivtv: Create DMA
> stream 2 using 121 34632 byte buffers  0 kbytes
> total
> May  3 19:47:37 mythtv kernel: ivtv: Allocate DMA
> stream 2 using 121 34632 byte buffers  4194304
> kbytes total
> May  3 19:47:37 mythtv kernel: ivtv: Registered v4l2
> device, streamtype 3 minor 24
> May  3 19:47:37 mythtv kernel: ivtv: Create DMA
> stream 3 using 455 4608 byte buffers  0 kbytes total
> May  3 19:47:37 mythtv kernel: ivtv: Allocate DMA
> stream 3 using 455 4608 byte buffers  2097152 kbytes
> total
> May  3 19:47:37 mythtv kernel: ivtv: Registered v4l2
> device, streamtype 4 minor 64
> May  3 19:47:37 mythtv kernel: ivtv: Create stream 4
> May  3 19:47:37 mythtv kernel: ivtv: Allocate stream
> 4
> May  3 19:47:37 mythtv kernel: ivtv: Setting Tuner
> 57
> May  3 19:47:37 mythtv kernel: tuner: type set to 57
> (Philips FQ1236A MK4) by ivtv i2c driver #0
> May  3 19:47:37 mythtv kernel: ivtv: Switching
> standard to NTSC.
> May  3 19:47:37 mythtv kernel: ivtv: Initialized
> WinTV PVR 150, card #0
> May  3 19:47:37 mythtv kernel: ivtv: Autodetected
> WinTV PVR 150 card
> May  3 19:47:37 mythtv kernel: ivtv: Found an iTVC16
> based chip
> May  3 19:47:37 mythtv kernel: ivtv:
> ivtv_enc_thread: pid = 8840, itv = 0xd22a9220
> May  3 19:47:37 mythtv kernel: ivtv: Unreasonably
> low latency timer, setting to 64 (was 32)
> May  3 19:47:37 mythtv kernel: ivtv: VIA PCI device:
> 0x3189 vendor: 0x1106
> May  3 19:47:37 mythtv kernel: tveeprom: Hauppauge:
> model = 23552, rev = D492, serial# = 7893422
> May  3 19:47:37 mythtv kernel: tveeprom: tuner =
> Philips FQ1236A MK4 (idx = 92, type = 57)
> May  3 19:47:37 mythtv kernel: tveeprom: tuner fmt =
> NTSC(M) (eeprom = 0x08, v4l2 = 0x00001000)
> May  3 19:47:37 mythtv kernel: tveeprom:
> audio_processor = MSP3410D (type = 5)
> May  3 19:47:37 mythtv kernel: ivtv: i2c attach
> [client=tveeprom[50],ok]
> May  3 19:47:37 mythtv kernel: tuner: chip found at
> addr 0xc2 i2c-bus ivtv i2c driver #1
> May  3 19:47:37 mythtv kernel: ivtv: i2c attach
> [client=(tuner unset),ok]
> May  3 19:47:41 mythtv kernel: cx25840: FW image
> '/lib/modules/HcwMakoA.ROM' of size 14264 loaded.
> May  3 19:47:41 mythtv kernel: cx25840: FW image md5
> digest: 3a4803384f749d644ee1f1ca9dcb12fa
> May  3 19:47:41 mythtv kernel: cx25840: FW image
> sha1 digest:
> 2b5e6292b7391c980b93d156cf6b34178ce770f6
> May  3 19:47:41 mythtv kernel: ivtv: i2c attach
> [client=cx25840[50],ok]
> May  3 19:47:41 mythtv kernel: ivtv: i2c attach
> [client=wm8775[50],ok]
> May  3 19:47:41 mythtv kernel: ivtv: Tuner Type 57,
> Tuner formats 0x00001000, Radio: yes, Model
> 0x00914652, Revision 0x00000000
> May  3 19:47:41 mythtv kernel: ivtv: NTSC tuner
> detected
> 
=== message truncated ===


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